var unum = 0;
var fnum = 0;

function sss(t) {
    if (t === "u") {
        unum++;
        var u = document.getElementById("user_list");
        if (unum % 2 === 0)
            u.style.display = "none";
        else
            u.style.display = "block";
    } else {
        fnum++;
        var f = document.getElementById("fruit_list");
        if (fnum % 2 === 0)
            f.style.display = "none";
        else
            f.style.display = "block";
    }
}


function ox(s) {
    for (var i = 0; i < 7; i++) {
        var t = "x" + i;

        if (s == t) {
            document.getElementById(t).style.display = "block";
        } else {
            document.getElementById(t).style.display = "none";
        }
    }
}

